Microwave oven



FIG. 1 is a front perspective view of a microwave oven showing our new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is right side elevational view with the left side being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front perspective view of a second embodiment thereof;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a right side elevational view with the left side being a mirror image thereof;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

The portion shown in broken lines is for illustrative purposes only and does not form any part of the invention. 

The ornamental design for a microwave oven, as shown and described. 